The diagram shows two circles, centres A and B, each of radius 10 cm. The point B
Question:
The diagram shows two circles, centres A and B, each of radius 10 cm. The point B lies on the circumference of the circle with centre A. The two circles intersect at the points C and D. The point E lies on the circumference of the circle centre B such that ABE is a diameter.
i. Explain why triangle ABC is equilateral.
ii. Write down, in terms of π, angle CBE.
iii. Find the perimeter of the shaded region.
iv. Find the area of the shaded region.
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i Triangle ABC is equilateral because the two circles have the same radius and point B lies on the circumference of the circle with center A Since AB ...View the full answer
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Related Book For 
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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